Claudeをはじめる

export ANTHROPIC_API_KEY="your-api-key-here"

curl https://api.anthropic.com/v1/messages \
  -H "content-type: application/json" \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "claude-opus-5",
    "max_tokens": 1000,
    "messages": [
      {
        "role": "user",
        "content": "What should I search for to find the latest developments in renewable energy?"
      }
    ]
  }'

{
  "model": "claude-opus-5",
  "id": "msg_013mHbppMPd2PrVJzGMZPt2D",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": "Here are some effective search strategies to find the latest developments in renewable energy:\n\n## General Search Terms\n- \"Renewable energy news 2025\"\n- ..."
    }
  ],
  "stop_reason": "end_turn",
  "stop_sequence": null,
  "stop_details": null,
  "usage": {
    "input_tokens": 21,
    "output_tokens": 305
  }
}